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Length of hospital stay prediction with an integrated approach of statistical-based fuzzy cognitive maps and artificial neural networks

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Abstract

Chronic obstructive pulmonary disease (COPD) is a global burden, which is estimated to be the third leading cause of death worldwide by 2030. The economic burden of COPD grows continuously because it is not a curable disease. These conditions make COPD an important research field of artificial intelligence (AI) techniques in medicine. In this study, an integrated approach of the statistical-based fuzzy cognitive maps (SBFCM) and artificial neural networks (ANN) is proposed for predicting length of hospital stay of patients with COPD, who admitted to the hospital with an acute exacerbation. The SBFCM method is developed to determine the input variables of the ANN model. The SBFCM conducts statistical analysis to prepare preliminary information for the experts and then collects expert opinions accordingly, to define a conceptual map of the system. The integration of SBFCM and ANN methods provides both statistical data and expert opinion in the prediction model. In the numerical application, the proposed approach outperformed the conventional approach and other machine learning algorithms with 79.95% accuracy, revealing the power of expert opinion involvement in medical decisions. A medical decision support framework is constructed for better prediction of length of hospital stay and more effective hospital management.

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Acknowledgments

The authors are grateful to chest disease specialists Assoc. Prof. Gülfidan Aras MD and Zehra Dilek Kanmaz MD, who contributed with their valuable insight and expertise. The authors also thank to Özlem Yılmaz Ünlü MD for her contribution in collecting patient data.

Funding

This study is supported by the Galatasaray University Research Fund.

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Correspondence to Elif Dogu.

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Informed consent for participation and publication was obtained from all individual participants included in the study. This article does not contain any studies with animals performed by any of the authors.

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The authors declare no competing interests.

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Dogu, E., Albayrak, Y.E. & Tuncay, E. Length of hospital stay prediction with an integrated approach of statistical-based fuzzy cognitive maps and artificial neural networks. Med Biol Eng Comput 59, 483–496 (2021). https://doi.org/10.1007/s11517-021-02327-9

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